122241621 has 8 divisors (see below), whose sum is σ = 165661024. Its totient is φ = 80158320.

The previous prime is 122241617. The next prime is 122241629. The reversal of 122241621 is 126142221.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 122241621 - 2² = 122241617 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (122241629) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 333811 + ... + 334176.

It is an arithmetic number, because the mean of its divisors is an integer number (20707628).

Almost surely, 2^122241621 is an apocalyptic number.

It is an amenable number.

122241621 is a deficient number, since it is larger than the sum of its proper divisors (43419403).

122241621 is an equidigital number, since it uses as much as digits as its factorization.

122241621 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 668051.

The product of its digits is 384, while the sum is 21.

The square root of 122241621 is about 11056.2932757774. The cubic root of 122241621 is about 496.2947717242.

Adding to 122241621 its reverse (126142221), we get a palindrome (248383842).

The spelling of 122241621 in words is "one hundred twenty-two million, two hundred forty-one thousand, six hundred twenty-one".